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Theorem pnrmtop 23566
Description: A perfectly normal space is a topological space. (Contributed by Mario Carneiro, 26-Aug-2015.)
Assertion
Ref Expression
pnrmtop (𝐽 ∈ PNrm → 𝐽 ∈ Top)

Proof of Theorem pnrmtop
StepHypRef Expression
1 pnrmnrm 23565 . 2 (𝐽 ∈ PNrm → 𝐽 ∈ Nrm)
2 nrmtop 23561 . 2 (𝐽 ∈ Nrm → 𝐽 ∈ Top)
31, 2syl 18 1 (𝐽 ∈ PNrm → 𝐽 ∈ Top)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wi 4  wcel 2145  Topctop 23118  Nrmcnrm 23535  PNrmcpnrm 23537
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2147  ax-9 2155  ax-ext 2732
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-sb 2100  df-clab 2739  df-cleq 2752  df-clel 2835  df-ral 3077  df-rex 3087  df-rab 3413  df-v 3452  df-dif 3902  df-un 3904  df-in 3906  df-ss 3916  df-nul 4280  df-if 4483  df-sn 4585  df-pr 4587  df-op 4591  df-uni 4868  df-br 5104  df-opab 5168  df-mpt 5187  df-cnv 5663  df-dm 5665  df-rn 5666  df-iota 6489  df-fv 6541  df-ov 7416  df-nrm 23542  df-pnrm 23544
This theorem is used by:  pnrmopn  23568
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